Indoor luminaire. Assembly: mounted in module ceilings, as well as plasterboard ceilings. The body material is aluminum. Colour - RAL 9016 (white). Dimensions: Ø168 x 80 mm. Mounting hole: Ø150 mm. Weight 0,5 kg. Diffuser: transparent glass. The efficiency of the optical system is 82,00%. Beam angle: (C0-C180) / (C90-C270) - 59,6° / 59,8°. Light source type: LED. Colour of the light 4000 K. SDCM=3. CRI>90. Lifetime of LED sources: 100000 h L80/B10. Luminaire luminous flux: 3800 lm. Power of luminaire: 26,1 W. Luminaire's light efficiency: 145,6 lm/W. Driver: standard on/off (E). Voltage 220..240 V, 50..60 Hz. Power factor cosφ: >0,95. Circuit load capacity: 31 (B10), 50 (B16), 50 (C10), 80 (C16). Operating temperature range: 5 ÷ 35° C. Protection degree: IP20/54. Impact resistant: IK06. Protection against electric shock: II. Photobiological risk class (IEC/EN 62471): RG0.